a—4a

15

III. COST DATA FOR TILE DRAINAGE. United States Department of Agriculture.— Bureau of Public Roads.

(CT. = Clay tile. Cem. T. = Cement tile. V.T. = Vitrified le. I.P. = iwer-pipe. legmenl k: State. Drainage District and County. Date let. Kind oi '-■§ 5 £ Length in Feet. Cost per Foot. Depth. Max. , Av. Hauling Tile: Distance and Price per Ton. Construction: Digging, Laying, and B.F. Cost per Foot. Remarks. Engineer, Contractor, Ac. Iowa Iowa Iowa D.D. No. 128 ; Buena Vista Co. D.D. No. 79 ; Cerro Gordo Co. 4/5/20 Cem. T. 26 1,600 Cem. T. 24 3,200 Cem. T. I 22 3,400 Cem. T. 20 400 Cem. T. 18 4,700 Cem. T. 10 800 Cem. T. 10 700 I Cem. T. 8 1,260 17/5/20 Cem. T. 26 2,000 Cem. T. 24 1,500 Cem. T. 20 2,000 Cem. T. 18 2,000 Cem. T. 16 1,200 Cem. T. 15 800 Cem. T. 14 500 Cem. T. 12 3,700 Cem. T. 10 3,000 Cem. T 9 1,500 Cem. T. 8 3,100 Cem. T. 7 4,350 Cem. T. 6 7,850 2/6/20 Cem. T. 30 500 Cem. T. 24 5,800 Cem. T. 18 2,700 Cem. T. 16 2,800 Cem. T. 15 3,000 Cem. T. 14 3,500 Cem. T. 12 2,600 Cem. T. 10 4,600 Cem. T. 8 600 Cem. T. 7 1,482 Cem. T. 6 500 16/6/20 Cem. T. 22 150 S.P. 22 250 Cem. T. 20 1,300 Cem. T. IS 300 Cem. T. 15 900 Cem T. 14 Cem. T 12 977 S.P. 12 200 4/5/20 S 1.665 1.440 1.125 0.945 0.795 0.645 0.232 0.15758 1.650 1.175 0.870 0.725 0-623 0.490 0.406 0.319 0-218 0.188 0.146 0.116 0.095 2.985 2.1075 1.234 1.081 0.986 0.9325 0.6000 0.549 0.365 0.315 0.2545 1.22 1.30 1.10 0.966 0.650 0.4615 0.360 0 375 6-7 j 2 m. Delivered on 7-2 site of work for 6-3 prices shown 61 6-5 5-9 4-2 4-2 9-0 8-0 Delivered on site 8-0 7-0 of work for prices 8-0 7-0 shown 8-5 6-5 7-0 60 6-0 | 5-5 0-0 5-5 9-0 6-1 8-0 j 5-6 . 8-5 5-5 80 51 7-0 5-0 7-0 4-5 5-6 Probably delivered 7-0 on site of work 6-4 6-7 7-2 7-2 5-5 6-6 6-1 , 5-4 5-7 5-8 Delivered on site 5-5 of work for prices 5-4 shown 5-8 5-6 '.. 4-8 5-1 S 0.55 0.60 0.50 0.45 0.48 0.30 0.12 0.12 1.00 0.67 0.55 0.40 0-36 0-33 0.30 0.305 0.27 0.25 0.20 0.189 0.173 Included in cost per foot 1 concrete headwall, 5 yd., at $25 Contractor, H. Johnson, Albert City, Iowa; manufacturers. Cement Products Co., Spencer, Iowa, Contractor, Christenson Const., Iowa Falls, Iowa; manufacturers, Cement Products Co., Spencer, Iowa. Engineer, G.jD. Hart; contractors, Humbolt |Gravel and Tile Co., Humbolt,|Iowa ; also furnishing tiles. Sub-district No. 9 of No. 4 ; Kossuth Co. 6-7 in. intakes, at $15 ; 9-6 in. intakes, at $15; 4 manholes at $100; 1 headwall, 12 cu. yd., at $30 per yard D.D. N . 7 , Bremer Co. 0.48 0.48 0.48 0.48 0.48 0.36 0.34 0.36 Engineer, C. A. Cool, Waverly, Iowa; contractor, Nels. Debel; manfaetuivis, Mason City Cement Products Co., Mason City. Iowa. Iowa 16/6/20